Round brass knobs with concentric circles.  1-1/8 x 1-1/8 x 3/4".
 
Might clean up nicely, or use them as they are. 
These are vintage salvaged items so have imperfections, discolorations or dirt. Not fond of the color? use paints, inks etc. to alter it.
 
Can be screwed to a door or drawer, as a handle or decorative element for a shrine, small cabinet, box or assemblage etc. pair of eyes maybe...
Sold per piece